Analytical seismic wave attenuation and velocity dispersion in layered double-porosity media
نویسندگان
چکیده
منابع مشابه
Wave Velocity Dispersion and Attenuation in Media Exhibiting Internal Oscillations
Modeling the propagation of acoustic or fully elastic (i.e. seismic) waves is an important tool for interpreting, understanding and predicting real-world measurements in various industrial disciplines. In this context, modeling can be anything from three-dimensional full waveform modeling using numerical techniques (e.g. finite difference method, finite element method, spectral method; Kelly & ...
متن کاملAttenuation and velocity dispersion at seismic frequencies
Attenuation and velocity dispersion are strongly dependent on pore fluids, particularly partial gas saturation, and thus could become valuable direct hydrocarbon indicators. Unfortunately, application of these properties is not frequent due to incomplete understanding of the phenomena and lack of appropriate tools to extract the information. Laboratory measurements at frequencies and amplitudes...
متن کاملOne-Dimensional Wave Dispersion in Layered Media
Abstract. Homogenisation theory reveals that long one-dimensional waves propagating in a medium with spatially periodic wave speed can behave like dispersive waves in an appropriately homogenised medium. However the precise time and length scales over which this dispersive behaviour is a good approximation are not clear. This paper describes what happens in a specific case when the sound speed ...
متن کاملSeismic Wave Attenuation in Fluid-saturated Porous Media
Contrary to the traditional view, seismic attenuation in Biot's theory of uid-saturated porous media is due to viscous damping of local (not global) pore-uid motion. Since substantial inhomogeneities in uid permeability of porous geological materials are to be expected, the regions of highest local permeability contribute most to the wave energy dissipation while those of lowest permeability do...
متن کامل2.5-D poroelastic wave modelling in double porosity media
S U M M A R Y To approximate seismic wave propagation in double porosity media, the 2.5-D governing equations of poroelastic waves are developed and numerically solved. The equations are obtained by taking a Fourier transform in the strike or medium-invariant direction over all of the field quantities in the 3-D governing equations. The new memory variables from the Zener model are suggested as...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Annals of Geophysics
سال: 2018
ISSN: 2037-416X,1593-5213
DOI: 10.4401/ag-7649